$104 Cheap United flights San Francisco (SFO) to San Diego (SAN)

View $104 flight on Sat, May 30, 2026Opens in a new window

$104 Cheap United flights San Francisco (SFO) to San Diego (SAN)

Prices were available within the past 7 days and start at $104 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 30 - Tue, Jun 9
SFO
San Francisco
SAN
San Diego
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from San Francisco to San Diego, returning Tue, Jun 9, priced at $137 found 1 day ago
United
Sat, May 30 - Tue, Jun 9
SFO
San Francisco
SAN
San Diego
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from San Francisco to San Diego, returning Tue, Jun 9, priced at $147 found 1 day ago

Find the cheapest month to fly from San Francisco (SFO) to San Diego (SAN)

June is typically the cheapest month to fly

From $56 - $148 per traveler.

Travel information

Origin airport
San Francisco Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
714 km
Average flight time
1 hour 36 mins

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